North
Date TimeNO2O3SO2COPM10PM2.5
2021-05-18 15:009.860.92.4392.8--
2021-05-18 14:0012.361.92.9409.9--
2021-05-18 13:00----13.47.5
2021-05-18 12:00----10.86.4
2021-05-18 11:0011.753.93.0398.09.15.9
2021-05-18 10:0010.147.02.8386.110.48.6
2021-05-18 09:0026.632.92.9415.611.29.5
2021-05-18 08:0028.520.22.9455.09.97.3
2021-05-18 07:0027.112.72.9483.86.45.3
2021-05-18 06:0020.524.92.5435.28.05.6
2021-05-18 05:009.632.82.4366.910.06.2
2021-05-18 04:0014.519.52.9387.010.55.9
2021-05-18 03:0011.424.91.5390.910.87.0
2021-05-18 02:0010.828.81.4393.310.46.7
2021-05-18 01:0015.926.71.3395.18.56.0
2021-05-18 00:0016.829.31.3395.28.35.3
2021-05-17 23:0020.221.81.2411.512.79.0
2021-05-17 22:0016.425.11.4420.015.612.6
2021-05-17 21:0021.123.51.5411.313.19.7
2021-05-17 20:0023.124.11.6412.512.29.9
2021-05-17 19:0018.134.81.7392.512.410.5
2021-05-17 18:0021.137.02.1440.59.54.9
2021-05-17 17:0015.043.71.6385.43.20.9
2021-05-17 16:0010.649.71.4342.20.3-
Remarks:

(1) Time shown is in Hong Kong time.

(2) NO2 - nitrogen dioxide, O3 - ozone,
     SO2 - sulphur dioxide, CO - carbon monoxide,
     PM10 - respirable suspended particulates,
     PM2.5 - fine suspended particulates

(3) Concentration shown is in µg/m3.

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.

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Last revision date: 15:07 18-05-2021